Optical scanner



FIG. 1 is a front elevational view of a optical scanner showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an opposite side view thereof;

FIG. 5 is a perspective view from a side and above thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a optical scanner, as shown and described. 